mips: bmips: add support for bcm6318 usb

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

arch/mips/dts/brcm,bcm6318.dtsi

@@ -153,5 +153,35 @@
 			reg = <0x10004000 0x38>;
 			u-boot,dm-pre-reloc;
 		};
+
+		ehci: usb-controller@10005000 {
+			compatible = "brcm,bcm6318-ehci", "generic-ehci";
+			reg = <0x10005000 0x100>;
+			phys = <&usbh>;
+			big-endian;
+
+			status = "disabled";
+		};
+
+		ohci: usb-controller@10005100 {
+			compatible = "brcm,bcm6318-ohci", "generic-ohci";
+			reg = <0x10005100 0x100>;
+			phys = <&usbh>;
+			big-endian;
+
+			status = "disabled";
+		};
+
+		usbh: usb-phy@10005200 {
+			compatible = "brcm,bcm6318-usbh";
+			reg = <0x10005200 0x30>;
+			#phy-cells = <0>;
+			clocks = <&periph_clk BCM6318_CLK_USB>;
+			clock-names = "usbh";
+			power-domains = <&periph_pwr BCM6318_PWR_USB>;
+			resets = <&periph_rst BCM6318_RST_USBH>;
+
+			status = "disabled";
+		};
 	};
 };

include/configs/bmips_bcm6318.h

@@ -14,6 +14,13 @@
 #define CONFIG_NR_DRAM_BANKS		1
 #define CONFIG_SYS_SDRAM_BASE		0x80000000
 
+/* USB */
+#define CONFIG_EHCI_DESC_BIG_ENDIAN
+#define CONFIG_EHCI_MMIO_BIG_ENDIAN
+#define CONFIG_SYS_OHCI_SWAP_REG_ACCESS
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
+#define CONFIG_USB_OHCI_NEW
+
 /* U-Boot */
 #define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + 0x100000